Mathematics, 16.12.2019 02:31 yedida
Apoll asked 15 men in two age groups, 30 and younger and older than 30, whether they had facial hair (mustache, beard, sideburns, the results are recorded in the table.
(a) create a two-way table of the data. of the men surveyed, how many were 30 and younger? how many men did not have facial hair?
(b) create a two-way relative frequency table that displays the relative frequency of the men 30 and younger and of the men older than 30 who had or did not have facial hair. express your answers as decimals written to three decimal places.
(c) what percentage of men older than 30 had facial hair?
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